2014 Specialized Bicycles Hardrock Base 15.5
Build
700C/29 in × 2.2 in
Insights
Very upright stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Specialized Bicycles Hardrock
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 624mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.63:1 |
| Seat Tube Length, C-TTT | 394mm |
| Top Tube Length, Effective/Horizontal Center | 574mm |
| Top Tube Length, Actual C-C | 551mm |
| Top Tube Slope | 22deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Effective Seat Tube Angle, Unknown | 74.25deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 68.5mm |
| Bottom Bracket Height | 298.4mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 444.8mm |
| Front-Center | 631mm |
| Front-Center Horizontal | 627.2mm |
| Wheelbase | 1072mm |
| Fork Offset/Rake | 44.8mm |
| Trail | 82.4mm very high |
| Mechanical Trail | 77.7mm |
| Wheel Flop | 25.9mm |
| Standover Height | 750mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 94.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 128.4mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 733.8mm |
| Bike Length with Tires | 1805.8mm |
| Crank Length | 170mm |
| Handlebar Width | 640mm |
| Stem Length | 60mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 80mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.specialized.com/us/en/hardrock-sport-disc-29/p/49965?color=149583-49965&searchText=81114-6702